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20121114
20121114
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persists he was sent to the director of the concussion center at california pacific medical center in san francisco. he says recent studies have shown children are actually at an elevated risk for brain damage. >> if they suffer another head injury before they have had a chance to recover from the initial head injury, the response to that can be more serious than when we see that with adults. >> the condition is known as second impact syndrome. children's brains are especially vulnerable when they are still healing. a second trauma during that window can interrupt that process. >> if there is interruption in that fragile state it can cause disruption in blood brain barrier and subsequent brain swelling. >> and even death. he says it can take several weeks or longer to confirm an injury has healed. during that time he advises patients to avoid taxing physical activity. a recent california law advises young players to get a doctor's clearance before returning to the field. griffin's father believes the new rules have sparked a change in culture on the practice field as well. >> because the
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